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Deutsch Welcome to our careers page!
Our employees work in the SIERA Alliance on the vision for a better future for this earth in the areas of construction and development, environment and water as well as soil and geotechnics. Numerous companies in Germany ensure that we are close to our customers. That is why we are successful with our vision of being the leading German engineering company and are constantly developing to stay true to our vision. We want to create a better future with our engineering services, true to our motto "Engineering for a Better Tomorrow".
Here you will find everything you need to know about our companies and our vacancies.
Supported by
companies
Current jobs
08 Oct-2025
Engineering and technical professions
Project Manager Pollutant Remediation/Dismantling (m/f/d)
Onsite
Hanover
07 Oct-2025
Engineering and technical professions
Project management deconstruction and building pollutants (m/f/d)
Onsite
Hamburg, Hanover, Osnabrück
07 Oct-2025
Engineering and technical professions
Project manager for contaminated sites/deconstruction/landfill (m/f/d), Cologne and Düsseldorf
Hybrid
Düsseldorf, Cologne
06 Oct-2025
Engineering and technical professions
Project manager for building pollutants and building demolition (m/f/d)
Hybrid
Hagen
19 Sep-2025
Engineering and technical professions
Project processing / management of deconstruction and building pollutants
Onsite
Lunen
10 Sep-2025
Engineering and technical professions
Branch Manager Engineering Company (m/f/d)
Hybrid
Osnabrück
30 Jul-2025
Tax consultant (m/f/d) - focus on M&A / international corporate structures
Hybrid
Hanover
29 Jul-2025
Engineering and technical professions
Senior Project Manager Groundwater Remediation (m/f/d)
Hybrid
Hamburg, Hanover, Osnabrück
29 Jul-2025
Engineering and technical professions
Project Manager Water Management (m/f/d)
Hybrid
Hamburg, Hanover, Osnabrück
04 Jul-2025
Engineering and technical professions
Senior Project Manager Hydrogeology (m/f/d)
Hybrid
Hamburg, Hanover, Osnabrück
04 Jul-2025
Engineering and technical professions
Project Manager Geotechnics and Environment (m/f/d)
Hybrid
Karlsruhe
04 Jul-2025
Engineering and technical professions
Material testing plastics technician (m/f/d)
Hybrid
Karlsruhe
04 Jul-2025
Engineering and technical professions
Laboratory Manager Geotechnics (m/f/d)
Hybrid
Karlsruhe
06 Jun-2025
Engineering and technical professions
Head of Urban Development Planning (m/f/d)
Hybrid
Berlin, Dresden, Gotha, Halle, Leipzig
05 Jun-2025
Engineering and technical professions
Urban land use planner (m/f/d)
Hybrid
Berlin, Dresden, Gotha, Halle, Leipzig, Munich, Nuremberg
03 Jun-2025
Engineering and technical professions
Construction technician 3D planning (m/f/d)
Onsite
Germany-wide
29 May-2025
Engineering and technical professions
Senior Civil Engineer Geotechnics (m/f/d) for NL Cologne
Onsite
Cologne
26 May-2025
Engineering and technical professions
Civil Engineer Hydraulic Engineering (f/m/d)
Hybrid
Germany-wide, North Rhine-Westphalia